Inventor · Tsukuba, JP

Shinji Nakai

15Patents
7h-index
32Co-inventors
66Inventor score

Filing activity: Aug 19, 1977 → Nov 19, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
USD436960S Head mounted display General 129 Expired
US7869597B2 Method and system for secure packet communication Electricity 57 Active
US8300822B2 System for secure packet communication Electricity 17 Active
US6452093B1 Cable and heat sink Physics 13 Expired
US6170016A System for selectively requesting data from a server based on prior accepted requests, transmission rate, and transmission capacity Electricity 12 Expired
US7740968B2 Ion-conductive binder membrane-electrode assembly and fuel cell Emerging Cross-Sectional Technologies 10 Expired
USD892822S1 Display screen with graphical user interface General 7 Active
US7407441B2 Constant velocity joint Emerging Cross-Sectional Technologies 4 Expired
US8182949B2 Polymer electrolyte membrane and process for preparation thereof, and membrane-electrode assembly and polymer electrolyte fuel cell Emerging Cross-Sectional Technologies 3 Active
US8263286B2 Membrane-electrode assembly and polymer electrolyte fuel cell Emerging Cross-Sectional Technologies 1 Active
US8420276B2 Catalyst layer and preparation process thereof, and membrane-electrode assembly and polymer electrolyte fuel cell using the catalyst layer Emerging Cross-Sectional Technologies 1 Active
US8137860B2 Polymer electrolyte membrane for solid polymer fuel cell, membrane-electrode assembly and fuel cell Emerging Cross-Sectional Technologies 1 Active
US8349513B2 Polymer electrolyte membrane, membrane-electrode assembly and polymer electrolyte fuel cell Emerging Cross-Sectional Technologies 0 Active
US4144264A Process for producing a 3-methyl-2-(4-halophenyl)butyronitrile Chemistry; Metallurgy 0 Expired
US8012628B2 Polymer electrochemical device Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.